You might see Office error code 216-6 if your antivirus software, firewall, or proxy settings prevent you from installing Office. To resolve the problem, temporarily turn off your antivirus software, firewall, or proxy settings, install Office, and then turn the settings back on.

Office installation will start after checking and preparing the configuration.

Follow the simple onscreen instructions.

Once installation is completed, click on All Done button.

Now, the Office Suite is installed and ready for use and the error is fixed

You may check if the Microsoft Office applications are working fine.

If the issue is still not fixed, it can be a very critical problem with your computer. It can affect your personal data and the Windows Operating System. Windows registry and System files affected. It needs a manual removal and recommended to be performed by an expert.